Front bumper of a vehicle



FIG. 1 is a front view of a front bumper of a vehicle;

FIG. 2 is a front left perspective view thereof; and

FIG. 3 is a front right perspective view thereof;

FIG. 4 is a right side view thereof; and,

FIG. 5 is a top plan view thereof.

The broken lines showing of environmental structure in FIGS. 1, 2, 3, 4, and 5 are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a front bumper of a vehicle, as shown and described. 